We undertook a retrospective analysis of 34 patients (35 elbows) who had prior failed surgical intervention for lateral tennis elbow. Revision surgeries were performed between 1979 and 1994. Each patient's non-operative and operative history was recorded before our salvage revision surgery. At revision surgery, findings included residual tendinosis of the extensor carpi radialis brevis tendon in 34 of 35 elbows. In 27 elbows, the pathologic changes in the extensor carpi radialis brevis tendon had not been previously addressed at all, and in 7 elbows the damaged tissue had not been completely excised. Salvage surgery included excision of pathologic tissue in the extensor carpi radialis brevis tendon origin combined with excision of excessive scar tissue and repair of the extensor aponeurosis when necessary. Based on a 40-point functional rating scale proposed here, 83% of the elbows (29 of 35) had good or excellent results at an average followup of 64 months (range, 17 months to 17 years). To prevent failure of surgical treatment for tennis elbow, the pathologic tissue usually present in the extensor carpi radialis brevis tendon should be resected. Release operations, which weaken the extensor aponeurosis but fail to address the pathoanatomic changes, are not recommended.
Median nerve neuropathy following an elbow injury is uncommon. When it occurs, understanding the median nerve distribution and anatomy is crucial for identifying the cause and for distinguishing cases that can be managed with observation as opposed to intervention. The consequences of misdiagnosis can result in permanent disability. Understanding the mechanisms of nerve injury will help the clinician anticipate prognosis and guide treatment. Stretch, transection, and compression of nerves may present similarly, but isolating the mechanism and the extent of injury can guide the treatment modalities and help predict the overall recovery. The case is a report of median nerve compression in a woman after a nondisplaced fracture of the coronoid process of the ulna. Despite the unique nature of the patient’s symptoms, the neuropathy resolved with “watchful waiting.” The location of the injury was a key component in identifying the cause of the neuropathy. It highlights the importance of identifying a cause; some cases will resolve without intervention. Clinicians should consider median nerve compression when presented with a patient experiencing neurologic symptoms following such a fracture.
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